Re: [PATCH] arch_topology: Export cpu_scale and topology_set_thermal_pressure()

From: Viresh Kumar
Date: Tue Aug 24 2021 - 23:32:06 EST


On 23-08-21, 12:37, Viresh Kumar wrote:
> These are now used from a cpufreq driver which can be built as module,
> export them.
>
> Fixes: 86afc1df661a ("cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support")
> Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> ---
> This needs to go via my ARM cpufreq tree. I will probably merge it with the
> concerned commit.
>
> drivers/base/arch_topology.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
> index 921312a8d957..bf9d47a16d30 100644
> --- a/drivers/base/arch_topology.c
> +++ b/drivers/base/arch_topology.c
> @@ -149,6 +149,7 @@ void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
> }
>
> DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;
> +EXPORT_SYMBOL_GPL(cpu_scale);
>
> void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)
> {
> @@ -165,6 +166,7 @@ void topology_set_thermal_pressure(const struct cpumask *cpus,
> for_each_cpu(cpu, cpus)
> WRITE_ONCE(per_cpu(thermal_pressure, cpu), th_pressure);
> }
> +EXPORT_SYMBOL_GPL(topology_set_thermal_pressure);
>
> static ssize_t cpu_capacity_show(struct device *dev,
> struct device_attribute *attr,
> --
> 2.31.1.272.g89b43f80a514

+ this

diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c
index bf9d47a16d30..43407665918f 100644
--- a/drivers/base/arch_topology.c
+++ b/drivers/base/arch_topology.c
@@ -149,7 +149,7 @@ void topology_set_freq_scale(const struct cpumask *cpus, unsigned long cur_freq,
}

DEFINE_PER_CPU(unsigned long, cpu_scale) = SCHED_CAPACITY_SCALE;
-EXPORT_SYMBOL_GPL(cpu_scale);
+EXPORT_PER_CPU_SYMBOL_GPL(cpu_scale);

void topology_set_cpu_scale(unsigned int cpu, unsigned long capacity)


--
viresh